17388501980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{11005381}}^1$

素因数の和:11005469

約数の個数: 24

約数和(自身を含む): 36978083520

約数和(自身を除く): 19589581540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 11005381, 22010762, 44021524, 55026905, 110053810, 220107620, 869425099, 1738850198, 3477700396, 4347125495, 8694250990, 17388501980]

約数ペア:

[(1, 17388501980), (2, 8694250990), (4, 4347125495), (5, 3477700396), (10, 1738850198), (20, 869425099), (79, 220107620), (158, 110053810), (316, 55026905), (395, 44021524), (790, 22010762), (1580, 11005381)]